package com.xingling.cloud;

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.boot.autoconfigure.security.oauth2.client.EnableOAuth2Sso;
import org.springframework.cloud.client.discovery.EnableDiscoveryClient;
import org.springframework.cloud.netflix.zuul.EnableZuulProxy;
import org.springframework.context.annotation.Bean;
import org.springframework.web.cors.CorsConfiguration;
import org.springframework.web.cors.UrlBasedCorsConfigurationSource;
import org.springframework.web.filter.CorsFilter;

/**
 * <p>Title:      ZuulApiGatewayApplication. </p>
 * <p>Description 网关 </p>
 * <p>Company:    http://www.xinglinglove.com </p>
 *
 * @author         <a href="190332447@qq.com"/>杨文生</a>
 * @since      2017/11/28 13:54
 */
@SpringBootApplication
@EnableZuulProxy
@EnableDiscoveryClient
@EnableOAuth2Sso
public class ZuulApiGatewayApplication {
  public static void main(String[] args) {
    SpringApplication.run(ZuulApiGatewayApplication.class, args);
  }
  @Bean
  public CorsFilter corsFilter() {
    final UrlBasedCorsConfigurationSource source = new UrlBasedCorsConfigurationSource();
    final CorsConfiguration config = new CorsConfiguration();
    // 允许cookies跨域
    config.setAllowCredentials(true);
    // #允许向该服务器提交请求的URI，*表示全部允许，在SpringMVC中，如果设成*，会自动转成当前请求头中的Origin
    config.addAllowedOrigin("*");
    // #允许访问的头信息,*表示全部
    config.addAllowedHeader("*");
    // 预检请求的缓存时间（秒），即在这个时间段里，对于相同的跨域请求不会再预检了
    config.setMaxAge(18000L);
    // 允许提交请求的方法，*表示全部允许
    config.addAllowedMethod("OPTIONS");
    config.addAllowedMethod("HEAD");
    // 允许Get的请求方法
    config.addAllowedMethod("GET");
    config.addAllowedMethod("PUT");
    config.addAllowedMethod("POST");
    config.addAllowedMethod("DELETE");
    config.addAllowedMethod("PATCH");
    source.registerCorsConfiguration("/**", config);
    return new CorsFilter(source);
  }
}
